gymnosperms 中文意思是什麼

gymnosperms 解釋
裸子植物類
  1. Antherozoid ( spermatozoid ) the male gamete of algae, some gymnosperms, and the non - seed - bearing plants

    游動精子:藻類,某些裸子植物和沒有種子形成的植物中的雄性配子。
  2. Bract scale the structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil

    苞鱗:在裸子植物的雌球果中大量存在的結構,每個苞鱗都包含一個珠鱗。
  3. Cycadophyta ( cycads ) a phylum of cone - bearing gymnosperms ( about 75 living species ) with palmlike compound leaves and special coralloid roots at or near the ground surface, which contain symbiotic nitrogen - fixing cyanobacteria

    蘇鐵綱(蘇鐵類植物) :包含球果的一類裸子植物(現存種大約有75種) ,它們具有掌狀的復葉,在近地面處有特殊的珊瑚狀的根,根內含有共生的固氮藍細菌。
  4. Enclosure of the nucellus by the integuments is incomplete, the embryo sac or, in gymnosperms, to the archegonium

    珠被並不是將珠心完全封閉,而是留有珠孔以便受精時花粉管進入胚囊,或裸子植物的藏卵器。
  5. Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of queensland.

    本地的裸子植物可進化成能在昆士蘭溫暖濕潤林區的樹種。
  6. The occurrence of haploid endosperm in the gymnosperms provides a sound basis for further investigations into progenies.

    裸子植物中單倍體胚乳的存在,為進一步對於後代的研究提供良好的基礎。
  7. Most angiosperm ovules possess two integuments, while gymnosperms usually have only one

    大多數被子植物的胚珠有兩層珠被,而裸子植物通常只有一層。
  8. Most gymnosperms retain archegonia except for the most advanced genera gnetum and welwitschia

    除了買麻藤屬和百歲蘭屬以外大多數裸子植物還保留有頸卵器。
  9. The process is restricted to certain angiosperms but a primitive form is known from some gymnosperms

    此過程僅限於某些被子植物,但從裸子植物中也發現了一些較原始的形式。
  10. However, the variation patterns of rdna in gymnosperms are little known because of the limited sequence data

    但是在裸子植物中由於研究資料的匱乏,使我們對裸子植物rdna的變異模式了解甚少。
  11. Albuminous cell 1. a vertically elongated parenchyma cell, found in groups in the rays of the secondary phloem in gymnosperms, where they are associated with sieve cells

    蛋白質細胞: 1 .在裸子植物的次生韌皮部薄壁組織和韌皮射線中發現的1種垂直伸長的細胞,通常與篩胞相結合。
  12. Liihe palynological data indicate a vertical paleovegetational landscape : evergreen broad - leaved forest dominated by castanopsis, lithocarpus, cycobalanopsis and anacardiaceae etc occurred on the slopes near the deposit site ; mixed coniferous / broad - leaved forest and coniferous forest occurred on the area of high elevation, and main elements were tsuga, podocarpus, pinus, picea and abies etc. seven paleoclimatic parameters of liihe area estimated include mat ( 13. 3 - 20. 9c ), wmt ( 22. 5 - 27. 5c ), cmt ( 2. 5 - 12. 6c ), dt ( 12. 1 - 24. 8c ), map ( 803. 6 - 1254. 7mm ), mmap ( 179. 4 - 281. 9mm ) and mmip ( 10. 2 - l8. 5mm ). yangyi palynoflora comprises of 52 palynomorphs belonging to 32 families. the percentage of angiosperms is 61. 5 %, gymnosperms 9. 6 %, pteridophytes 25. 0 %, algae 3. 9 %

    呂合孢粉植物群的組成反映該地區在沉積時期植被具有垂直分帶特徵,沉積地附近分佈有常綠闊葉林,包括殼斗科的青岡屬、栲屬、石櫟屬和漆樹科等植物,以及多種亞熱帶和溫帶闊葉成分;林中混生少量針葉樹(如松屬和杉科等) ;林內蕨類植物較少;距沉積地較遠的海拔較高的地區分佈由鐵杉屬、冷杉屬、雪松屬和雲杉屬組成的針闊混交林或針葉林。
  13. Strobilus ( pl. strobili ) a group of sporophylls ( spore - bearing leaves ) arranged around a central axis, found in gymnosperms, lycophyta ( clubmosses ), and sphenophyta ( horsetails )

    球果:孢子葉向中軸聚攏形成的結構,存在於裸子植物門植物、石松亞門植物(石松)和木賊綱植物中(楔葉類) 。
  14. Hofmeister aso showed that the gametophytes and sporophytes of seed - bearing plants were homologous with those of ferns and mosses and that the gymnosperms formed a plant group between the latter and the angiosperms

    他認為種子植物的孢子體和配子體與蕨類以及苔蘚類是同源的,還指出裸子植物形成了一個單獨的組群,它是位於蕨類植物與被子植物之間的一個植物類群。
  15. In the clubmosses and horsetails only one type of strobilus is formed, while in the gymnosperms female megastrobili and male microstrobili both develop

    石松和楔葉類只形成一種類型的球果,然而裸子植物既有雌性的大孢子葉球也有雄性的小孢子葉球。
  16. These genera and ephedra also hve advanced tracheids with a structure reminiscent of angiosperm vessels, whereas in other gymnosperms the xylem is composed solely of more primitive tracheids

    這些屬以及麻黃屬植物和被子植物一樣有進化的管胞,而其他的裸子植物的木質部只由很多導管組成。
  17. Longling palynoflora comprises of 86 palynomorphs belonging to 61 families, and consist of angiosperms ( 69. 0 % ), gymnosperms ( 4. 6 % ), pteridophytes ( 24. 1 % ) and algae ( 2. 3 % ). longling palynological data indicate a vertical paleovegetational landscape : humid evergreen broad - leaved forest occurred on the slopes near the deposit site, and dominant elements were castanopsis, lithocarpus, cycobalanopsis, mixed with ericaceae, anacardiaceae and sapindaceae etc, and abundant ferns grew in the forest ; the mixed coniferous / broad - leaved forest and coniferous forest distributed on the area of high elevation, dominant elements were tsuga, pinus, picea and abies

    濕性常綠闊葉林分佈在沉積地附近,以殼斗科的石櫟屬、青岡屬和栲屬為主,混生漆樹科、桃金娘科、蓼科、大戟科和金縷梅科的楓香屬等植物,林內蕨類植物豐富;針闊葉混交林分佈在距沉積地較遠海拔較高的山地,主要包括松屬,鐵杉屬,羅漢松屬和一些闊葉植物類群;雲杉林、冷杉林和鐵杉林分佈在更高海拔的地區。
  18. The gymnosperms of jiangxi province interacted with areas being connected with jiangxi province through nanling mountains, wuyi mountains and luoxiao mountains, the similarity coefficient indicates that there is close relationship between gymnospermous flora of jiangxi province and those of southern china or central china or southeasten china ( similarity coefficient above 50 % ), while far relationship between jiangxi and shanxi province ( northern china ) ( similarity coefficient 6. 1 % )

    江西現代裸子植物通過南嶺山脈、武夷山脈和羅霄山脈等與周邊地區聯系密切,相似性系數顯示江西裸子植物區系與華南、華中、西南聯系密切(相似系數皆大於50 % ) ,與華北比較疏遠(相似系數為6 . 1 % ) 。
  19. The carpel is homologous with the megasporophylls of certain spore - bearing vascular plants ( pteridophytes ) and the ovuliferous scales of gymnosperms

    心皮和能產生孢子的維管植物(羊齒類)還有具胚珠的裸子植物的大孢子葉是同源的。
  20. Pollen mother cell ( pmc ) in angiosperms and gymnosperms, a somatic cell that gives rise to four haploid pollen grains by meiosis

    花粉母細胞( pmc ) :指在被子植物和裸子植物中,能通過減數分裂產生4個單倍體花粉粒的體細胞。
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